2,5-Dichlorobenzenesulfonyl chloride → HCID 67549782, compound
Reaction equation
[Cl:1][C:2]1[CH:19]=[CH:18][C:5]([C:6]([NH:8][C:9]2[CH:17]=[CH:16][C:12]([C:13]([OH:15])=[O:14])=[CH:11][CH:10]=2)=[O:7])=[CH:4][C:3]=1[NH:20][S:21]([C:24]1[CH:29]=[C:28]([Cl:30])[CH:27]=[CH:26][C:25]=1[Cl:31])(=[O:23])=[O:22].Cl[C:33]1C=CC(Cl)=C[C:34]=1S(Cl)(=O)=O>>[CH2:33]([O:14][C:13](=[O:15])[C:12]1[CH:11]=[CH:10][C:9]([NH:8][C:6](=[O:7])[C:5]2[CH:18]=[CH:19][C:2]([Cl:1])=[C:3]([NH:20][S:21]([C:24]3[CH:29]=[C:28]([Cl:30])[CH:27]=[CH:26][C:25]=3[Cl:31])(=[O:22])=[O:23])[CH:4]=2)=[CH:17][CH:16]=1)[CH3:34]Participants
3
Procedure
4-[4-Chloro-3-(2,5-dichloro-benzenesulfonylamino)-benzoylamino]-benzoic acid, MS (ISP): m/e=497.0 (M−H), was prepared in analogy to example 21, steps A to D. Step C was performed using 2,5-dichloro-benzenesulfonyl chloride and yielded 4-[4-chloro-3-(2,5-dichloro-benzenesulfonylamino)-benzoylamino]-benzoic acid ethyl ester, which was hydrolyzed in step D.
Sources & evidence
- ORD record
- ord-c22def56b4694ab087e8a990830af5e4
- Source dataset
- uspto-grants-2010_05
- Patent number
- US07723538B2
Reaction notes
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